Doctor profile · Federal record
Dr. Jaehyun Byun, M.D.
Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Holyoke, MA
- NPI 1881824225
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 17 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
230 Maple St
Holyoke, MA 010405144
(413) 420-2200
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- August 17, 2016
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State licenses (2)
- Massachusetts #265898 · California #A114852
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881824225. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
579
Distinct HCPCS
6
Medicare allowed
$50,095
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 350 | 152 | $79 | |
99239 |
Hospital discharge day management, more than 30 minutes | 112 | 106 | $114 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 41 | 20 | $50 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 35 | 33 | $54 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 26 | 18 | $120 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $175 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 65. This provider delivers 8.9× the peer median.Open Payments
Industry payments received
All-time total
$22
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inari Medical, Inc. | 1 | $22.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
355
Patients
93
Total drug cost
$924,143
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 146 | 21 | $606,694 |
| Descovy (Emtricitabine/Tenofov Alafenam) | Brand | 33 | 0 | $90,331 |
| Tivicay (Dolutegravir Sodium) | Brand | 31 | 0 | $84,544 |
| Prednisone | Generic | 25 | 22 | $144 |
| Odefsey (Emtricitab/Rilpiviri/Tenof Ala) | Brand | 24 | 0 | $84,067 |
| Ondansetron Hcl (Ondansetron Hcl/Pf) | Brand | 23 | 0 | $532 |
| Cefuroxime (Cefuroxime Axetil) | Brand | 18 | 18 | $221 |
| Doxycycline Monohydrate | Generic | 18 | 18 | $203 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 14 | $166 |
| Triumeq (Abacavir/Dolutegravir/Lamivudi) | Brand | 12 | 0 | $29,202 |
Frequently asked questions
What is Dr. Jaehyun Byun's medical specialty?
Dr. Jaehyun Byun practices Family Medicine Physician in Holyoke, MA.
Where does Dr. Jaehyun Byun practice?
Dr. Jaehyun Byun practices at 230 Maple St, Holyoke, MA 010405144. Office phone: 4134202200.
What is Dr. Jaehyun Byun's NPI?
Dr. Jaehyun Byun's National Provider Identifier (NPI) is 1881824225, issued by NPPES.
Does Dr. Jaehyun Byun accept Medicare assignment?
Yes. Dr. Jaehyun Byun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jaehyun Byun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.